this is the latest legal twist for amanda knox. first the college student was convicted of murder, then cleared on appeal but this is still not over. tomorrow, amanda knox will find out if she must once again sit in an italian courtroom. it's more than a year and a half since the 25-year-old was able to return home a free woman. >> i'm really overwhelmed right now. >> after four years in prison, she and boyfriend rafael have their convictions overturned. but now italy's highest court will decide if their case should be rejected. they want a whole new trial. >> the prosecutors, obviously, are upset with the acquittal and they are going to supreme court to have it reviewed to say that the appellate court got it wrong and that the guilty charge in the trial court was correct and that should stand. >> knox was convicted of sexually assaulting and murdering meredith kurcher. prosecutors claim that it was an attack filled by drink and sexual jealousy. during their appeal, defense lawyers claim that the police bun geled the investigation,